Olivine pyroxenite

In part with poikilitic hornblende; local peridotite.
State New York
Name Olivine pyroxenite
Geologic age Upper Ordovician
Lithologic constituents
Major
Igneous > Plutonic > Ultramafic > PyroxeniteOlivine pyroxenite
Minor
Igneous > Plutonic > Ultramafic > Peridotitelocal peridotite
Comments part of Cortlandt and Smaller Mafic Complexes.
References

Fisher, D.W., Isachsen, Y.W., and Rickard, L.V., 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250,000.

NGMDB product
Counties Rockland - Westchester